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Summary:
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The Resistibility Guide assists test laboratories in implementing the correct tests for ITU-T K.20, K.21, and K.45 compliance testing. It will have four definitive sections:
1) introduction with general comments
2) definition of terms
3) general test plan flow charts
4) test circuit schematics
This guide will assist the lab engineers and technicians in developing the correct test plans for equipment being submitted for ITU-T K.20, K.21 or K.45 compliance testing. It provides the proper sequence of testing to be conducted, shows specific test sequence for single pair ports and multiple pair ports with and without primary protection in both internal and external environments:
1) symmetric single pair ports,
2) coaxial ports,
3) power ports and
4) ac mains ports
This Guide also provides a practical example, using a Home Gateway application that is subject to Recommendation ITU-T K.21. This application example contains ADSL port types, mains power port types, FXO and FXS port types, Ethernet port types, and USB port types.
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